Home / 164,344.78-226,742.79-129,779.83

Finding the Fourth Proportional to 164,344.78, 226,742.79 and 129,779.83

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Solution

The fourth proportional to 164,344.78, 226,742.79 and 129,779.83 is: 179,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,344.78 : 226,742.79 = 129,779.83 : x
  2. Step 2: Convert to fraction form
    164,344.78/226,742.79 = 129,779.83/x
  3. Step 3: Cross multiply
    164,344.78x = 226,742.79 × 129,779.83
  4. Step 4: Simplify right side
    164,344.78x = 29,426,640,739.93
  5. Step 5: Solve for x
    x = 29,426,640,739.93/164,344.78
  6. Step 6: Final answer
    x = 179,054.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.